Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07-04-2024 16:59
Static task
static1
Behavioral task
behavioral1
Sample
711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe
Resource
win10v2004-20240226-en
General
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Target
711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe
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Size
454KB
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MD5
4492c0fed06f47b4e844633e7b56293c
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SHA1
c072235414b249c89d2fe05691c2c0af36e54bda
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SHA256
711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee
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SHA512
bff79c233a9e7459cdd10c5814e511369fa6e3f737ded6ea4ebacbb51fdc012c1bfa01f30e38125db8ea15b809fe6419d8af7b9d6305c7400ae64ae2bfb889b8
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SSDEEP
12288:2iB9S1zi63i/LYjQogh7cz3EP4Fn4IWneiS6U:2irSI63iTYkogh4DlKrU
Malware Config
Extracted
stealc
http://185.172.128.209
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url_path
/3cd2b41cbde8fc9c.php
Signatures
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Detect ZGRat V1 3 IoCs
Processes:
resource yara_rule behavioral1/memory/4184-129-0x000002B9AC060000-0x000002B9AF958000-memory.dmp family_zgrat_v1 behavioral1/memory/4184-131-0x000002B9CB0A0000-0x000002B9CB1B0000-memory.dmp family_zgrat_v1 behavioral1/memory/4184-135-0x000002B9CAEA0000-0x000002B9CAEC4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
u3sw.0.exeHCAEHJJKFC.exe711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exeu3sw.1.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation u3sw.0.exe Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation HCAEHJJKFC.exe Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation 711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation u3sw.1.exe -
Executes dropped EXE 3 IoCs
Processes:
u3sw.0.exeu3sw.1.exeHCAEHJJKFC.exepid Process 4388 u3sw.0.exe 2180 u3sw.1.exe 1700 HCAEHJJKFC.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 1392 4928 WerFault.exe 83 2884 4388 WerFault.exe 87 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
u3sw.1.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3sw.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3sw.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u3sw.1.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
u3sw.0.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u3sw.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u3sw.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 27 IoCs
Processes:
u3sw.0.exeSystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exepid Process 4388 u3sw.0.exe 4388 u3sw.0.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4388 u3sw.0.exe 4388 u3sw.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exedescription pid Process Token: SeDebugPrivilege 4184 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
Processes:
u3sw.1.exepid Process 2180 u3sw.1.exe 2180 u3sw.1.exe 2180 u3sw.1.exe 2180 u3sw.1.exe 2180 u3sw.1.exe 2180 u3sw.1.exe 2180 u3sw.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
Processes:
u3sw.1.exepid Process 2180 u3sw.1.exe 2180 u3sw.1.exe 2180 u3sw.1.exe 2180 u3sw.1.exe 2180 u3sw.1.exe 2180 u3sw.1.exe 2180 u3sw.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exeu3sw.1.exeu3sw.0.execmd.exeHCAEHJJKFC.execmd.exedescription pid Process procid_target PID 4928 wrote to memory of 4388 4928 711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe 87 PID 4928 wrote to memory of 4388 4928 711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe 87 PID 4928 wrote to memory of 4388 4928 711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe 87 PID 4928 wrote to memory of 2180 4928 711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe 94 PID 4928 wrote to memory of 2180 4928 711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe 94 PID 4928 wrote to memory of 2180 4928 711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe 94 PID 2180 wrote to memory of 4184 2180 u3sw.1.exe 102 PID 2180 wrote to memory of 4184 2180 u3sw.1.exe 102 PID 4388 wrote to memory of 1880 4388 u3sw.0.exe 104 PID 4388 wrote to memory of 1880 4388 u3sw.0.exe 104 PID 4388 wrote to memory of 1880 4388 u3sw.0.exe 104 PID 1880 wrote to memory of 1700 1880 cmd.exe 108 PID 1880 wrote to memory of 1700 1880 cmd.exe 108 PID 1880 wrote to memory of 1700 1880 cmd.exe 108 PID 1700 wrote to memory of 1064 1700 HCAEHJJKFC.exe 109 PID 1700 wrote to memory of 1064 1700 HCAEHJJKFC.exe 109 PID 1700 wrote to memory of 1064 1700 HCAEHJJKFC.exe 109 PID 1064 wrote to memory of 1384 1064 cmd.exe 111 PID 1064 wrote to memory of 1384 1064 cmd.exe 111 PID 1064 wrote to memory of 1384 1064 cmd.exe 111
Processes
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C:\Users\Admin\AppData\Local\Temp\711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe"C:\Users\Admin\AppData\Local\Temp\711255b88ff35cdd174c920672c0ebc2da771f5ba47b7afc1e10666e6bd351ee.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Users\Admin\AppData\Local\Temp\u3sw.0.exe"C:\Users\Admin\AppData\Local\Temp\u3sw.0.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4388 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\HCAEHJJKFC.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:1880 -
C:\Users\Admin\AppData\Local\Temp\HCAEHJJKFC.exe"C:\Users\Admin\AppData\Local\Temp\HCAEHJJKFC.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\HCAEHJJKFC.exe5⤵
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:1384
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 25243⤵
- Program crash
PID:2884
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C:\Users\Admin\AppData\Local\Temp\u3sw.1.exe"C:\Users\Admin\AppData\Local\Temp\u3sw.1.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe"C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD13⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4184
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 11482⤵
- Program crash
PID:1392
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4928 -ip 49281⤵PID:4776
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4388 -ip 43881⤵PID:3504
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
11KB
MD5a33e5b189842c5867f46566bdbf7a095
SHA1e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA2565abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
SHA512f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
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Filesize
106KB
MD5fe380780b5c35bd6d54541791151c2be
SHA17fe3a583cf91474c733f85cebf3c857682e269e1
SHA256b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53
SHA512ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c
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Filesize
3KB
MD557ba8a74425549590f9abb172f701847
SHA17ef1de7c189a2127c69e5e038a960622b6e337ac
SHA25687390424664f03d6636afebb256163d85562d3803997721c1511facb5d3841df
SHA51273af5d981f85e65e0bff110464653ad387f48fec67c4eaf65c11ed8bd4f34f659001bc517e4d33c8508250e2af384634f63d390792c053a32a481675753c5292
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Filesize
312KB
MD512d374f5d55dc469aee06c9cd50e9e61
SHA18e3af58dcf5c3da96b4c984d94b2ce19c6fef1eb
SHA256fd91ac27792d0f75969dbba3bfa91ec6aa025bdf4b3f2e5e35bc7b22551e14d7
SHA512f6b56036a0383e17bde7e6563b0a1316bd650ec6e1836584e72e647b1de22728602b180e885e10c6dc9390aa7d12bdfa78574781466a2c5301674317143e5408
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954